why is that? i already got offer a k20a3 with type s 6 speed tranny only he didnt have the kpro

oh man, an A3 swap!!

You have no idea what your getting into, especially even thinking of using an A3 for your k series platform. Again i wish you luck....Ive got a bare k20z3 longblock if your interested..(just head and block, no accessories or manifolds.) Its legit and has approx. 15k miles on it. Post pictures as well dude..........